Strand twisting apparatus



. July 4, 1944. A. E; WINSLOW Y 2,353,103 v STRAND TWISTING APPARATUS Filed Oct. 29, 1943 2 Sheets-Sheet 1.

wadbw ATTORNEYS Filed Oct. 29, 1945 2 sheets sheet 2 A .MWA. m w W23? 2 a 6 w w w W//////// AINVENTOR lL zkslaw er/L Z Pm Patented July 4, 944

STRAND TWIS'I'ING APPARATUS Albert E. Winslow, Mystic, Conn., assignor to Atwood Machine Company, a corporation of Connecticut I Application October 29, 1943, No. 508,130

lclaim.

This invention relates to a device for the twisting or laying of strand material and more particularly to a device adapted toimpart more than one turn of twist to one or more strandsfor each revolution of the flyer.

Insuch a device the package or packages from which the strand material is supplied do not partake of the revolution of the flyer. The strands are drawn from the supply package or packages in a manner to form a,loop which is carried by the flyer around the package or packages. Assuming the supply package to be mounted on a stationary axis, two turnsof twist are imparted for each revolution of the loop about the Package. The manner-in which the supply package the ring l4 and between feed rolls l5 and I6- support is held stationary. while mounted upon a rotating spindle with the yarn looping about the supply 'packagehas been accomplished in various ways and it is the means by which this result is accomplished which this invention.

is the feature of spindle is driven by a whirl 30 fixed thereto by One of the objects of this invention is to provide a simple and efficient manner of positively holding the supply package support stationary while being mounted upon the revolving spindle which rotates the strands about the package support.

Another objector this invention is to provide a positive drive through the liver from a station-- ary frame to the supply package support so as to prevent slip between the driving parts.

Another object of this invention is-to provide a direct and positive drive from the spindle flyer' to the creel or package support by means of gears which will engage a fixed or stationary part and will engage the creel or package support.

, the various strands of material may enter the with these and other-objects in view, the invention consists of certain novel features-of construction, as will be more fully described and particularly pointed out in the appended claim.

In the accompanying drawings: v Fig. 1 is a diagrammatic view of the invention illustrating the operating parts of the twisting device; I V

Fig. 2 is a sectional view on a larger scale illustrating the spindle mounting and showing the package support or creel fragmentally; 1 Fig. 3 is. a top plan view-illustrating the drive 7 between the flyer and its associated parts.

The in ention illustrated. in this application downwardly together and radially outwardly as at I! and thence upwardly as at l3 to loop the strands upon themselves, which loop is revolved about the axis of the spindle so that two turns of twist or lay are placed into the strands for each single turn that the loop makes about the spindle. The upwardly extending run of the work I3 is then guided from the machine through and thence led as at I! over pulley l8 and over suitable guides l9 and to be packaged as at 2 I, the package being operated by a surface drive 22 as diagrammatically shown in Fig. 1.

pindle 25 is mounted by means of ball bearings 25 and 21 in-a casing designated generally 28 which is held in a stationary support 29. The

the set screw 3i. An overarm 32 extends from the stationary framework and is provided with a I bushing 33 through which this spindle extends. The bushing is fixed in the overarm and is also provided with gear teeth 34.

The creel designated generally 35 is provided with a hub 35 and deck plate 31 uponwhich rods 38 are mounted for supporting the various supply packages III from which the strand material H leads over guide 40. The hub 36 is rotatably mounted on the spindle 25 by means of ball bearings 4| and 42 the latter of which rests upon a shoulder 43 of the spindle, while the ball bearings are suitably spacedby a member 44. The upper ball bearing 4| is held in position by a nut 45 having threaded engagement with the upper end 48 of the spindle. A cap 41 is moimted in the hub 36 and supports a guide 48 through which hollow bore 49 of the spindle 25. Th hub 35 carries a gear 50 having teeth 5| and whichis heldto the hub by a set screw 52 extending through the recess or opening 53 to hold the ear in fixed relation to the hub of this creel or forms an alternative arrangement or a. part of a larger machine which is shown in my co-pending application Serial No. 517 859. The supply packages are designated I! from which the strands of material ll lead into the hollow spindle then package support. A recess 541s provided in' the creel for the reception of one driving portion carried by the flyer.

The flyer is designated generally 55 and comprises a hub 56 which is held in fixed relation to the spindle 25. A plate 51 is fixed tofthe hub and extends outwardlyior rotatably mounting the pulley 23 while the hub itselI is slotted as at 58 to rotatably mount the pulley 24 over which the strand material extends. A plurality of shafts lill (here shown as two) are rotatably mounted in the hub and'as each shaft is the same corresponding reference numerals will be used for the same parts 01 each shaft. Each shaft is mounted by means of ball bearings 6| and 62 resting against shoulders provided by the bores 53 and enlargement of this bore at either end, Pinion gears 64 are held by some suitable means at the lower end of each shaft 60 and pinion gears 65 are held by some suitable means at the upper end of the shaft. The gears 64 will mesh with gear 34 while the gears 65 will mesh with the gear An number of these shafts may be provided each with gears at its upper and lower end to mesh with the gears 34 and 5| in a similar manner. I have, however, shown but two such shafts which are mounted diametrically opposite each other so as to provide a dynamic balanced relation. In any case where a larger number of shafts are provided the arrangement of the shaft 60 would be such that they would be disposed in equal angular relation and in balanced relation about the flyer.

Each time the flyer rotates about the axis of the spindle by reason of the gear 64 meshing with the gear 34 the shaft 60 will be rotated and gear 5| will be driven by gear 65 in the opposite direction. Inasmuch as the gears 34 and 5| are the same size and "the gears 64 and 65 are the same size the gears 34 and 5| will remain relatively the same. The gear 34 is stationary or fixed in the overarm 3'2 therefore the gear 5| will remain stationary and the creel or supply package support will not rotate. As the gear drive is positive there will be no creeping of the creel with reference to the stationary support.

The drive is simple in that spur gearing is used.

I claim: I In a strand twisting device, a spindle, a supply package support rotatably carried. at the upper end portion of said spindle, said support having an annular recess therein, a gear surroundingsaid spindle and fixed to said support and located within said recess, a stationary support for mounting said spindle and provided with an annular'recess therein, a stationary gear fixed to said stationary support and surrounding said spindle and located within said recess, a flyer having a hub portion fixed to said spindle at a location thereon intermediate the said supports, a shaft rotatably fixed to said flyer and revolvable about said spindle and with the end portions thereof extending into said annular recesses, pinions carried by said shaft with the toothed portions thereof located within the said recesses and engageable with the'said gears, said pinions and gears being substantially equal in size so as to maintain said supply package support substantially stationary.

ALBERT E. WINSLOW. 

